Home / 203,460.12-305,186.94-55,716.12

Finding the Fourth Proportional to 203,460.12, 305,186.94 and 55,716.12

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Solution

The fourth proportional to 203,460.12, 305,186.94 and 55,716.12 is: 83,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,460.12 : 305,186.94 = 55,716.12 : x
  2. Step 2: Convert to fraction form
    203,460.12/305,186.94 = 55,716.12/x
  3. Step 3: Cross multiply
    203,460.12x = 305,186.94 × 55,716.12
  4. Step 4: Simplify right side
    203,460.12x = 17,003,832,171.47
  5. Step 5: Solve for x
    x = 17,003,832,171.47/203,460.12
  6. Step 6: Final answer
    x = 83,573.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.